Abstract
An “H”-type olfactometer was designed and built to test the response of bark beetle parasites to various beetle and tree host odors. The design has several advantages over other types of olfactometers. Strong air currents are not utilized, parasites have free movement in the test chamber, and a concentration gradient of test compound is maintained. Parasites tested in the olfactometer demonstrated strong positive responses to air drawn over logs infested with bark beetle larvae and varied responses to tree host odors.
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These studies were supported by the USDA program entitled, “The Expanded Southern Pine Beetle Research and Applications Program” through GAES-USFS Cooperative Agreement 18-475. The findings, opinions, and recommendations are those of the authors and not necessarily those of the USDA.
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Kudon, L.H., Berisford, C.W. An olfactometer for bark beetle parasites. J Chem Ecol 7, 359–366 (1981). https://doi.org/10.1007/BF00995758
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DOI: https://doi.org/10.1007/BF00995758